Finding the Fourth Proportional to 1,235.63, 1,705.17 and 676.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,235.63 : 1,705.17 = 676.10 : x
2. Step 2: Convert to fraction form
   1,235.63/1,705.17 = 676.10/x
3. Step 3: Cross multiply
   1,235.63x = 1,705.17 × 676.10
4. Step 4: Simplify right side
   1,235.63x = 1,152,856.91
5. Step 5: Solve for x
   x = 1,152,856.91/1,235.63
6. Step 6: Final answer
   x = 933.02